BonAchat Outdoor Pet Dog Carrier Portable Dog Backpack Dog Cat Harness Durable Dacron Cotton Breathable Mesh Pet Travel Front Backpack Carrier Bag The bag outside design with breathable mesh, be breathable and comfortable, to let your baby will not be hot in the summer It can keep your pet's head and legs outside The bag behind is a hole to facilitate the pet's tail put out from inside, it will be more comfortable Adjustable back strap can reduce the burden This backpack is durable, can be machine washable or hand wash